At least 18 people have died in what the National Weather Service (NWS) has called "catastrophic flooding" that hit the South ...

The second of two atmospheric-river-fueled storms to hit Southern ... evacuation warnings starting Wednesday morning. Areas east and south of Runyon Canyon in the Sunset fire zone are also under ...

Impacts from an atmospheric river will continue trekking east across the U.S. Northwest ... North Dakota and South Dakota. Several roadways across multiple states were impacted by the heavy ...

When a bomb cyclone meets an atmospheric ... as it slowly heads south over the coming days. Forecasters warn of dangerous conditions as another powerful atmospheric river takes aim at California.

A rare and deadly atmospheric river hit the South and Midwest over the weekend ... events are exposing cracks in traditional coverage. A recent investigation reported by The Independent ...

A storm that meteorologists have called a weak atmospheric river system kept hurling isolated ... dropped about two-thirds of an inch of rain in south San Francisco and about one-third of an ...

They most commonly form in mid-latitude oceans, roughly 30 and 60 degrees north and south ... River, according to the National Oceanic and Atmospheric Administration, opens new tab.

Then a powerful atmospheric river is expected to arrive early Wednesday, bringing heavy rain along the coast through Thursday, with significant impacts to the mountains as it moves east through ...